<h1><code ng:non-bindable="">ngStyle</code>
<span class="hint">(directive in module <code ng:non-bindable="">ng</code>
)</span>
</h1>
<div><a href="http://github.com/angular/angular.js/edit/master/src/ng/directive/ngStyle.js" class="improve-docs btn btn-primary">Improve this doc</a><h2 id="Description">Description</h2>
<div class="description"><p>The <code>ngStyle</code> directive allows you to set CSS style on an HTML element conditionally.</p></div>
<h2 id="Usage">Usage</h2>
<div class="usage">as attribute<pre class="prettyprint linenums">&lt;ANY ng-style="{expression}"&gt;
   ...
&lt;/ANY&gt;</pre>
as class<pre class="prettyprint linenums">&lt;ANY class="ng-style: {expression};"&gt;
   ...
&lt;/ANY&gt;</pre>
<h3 id="Parameters">Parameters</h3>
<ul class="parameters"><li><code ng:non-bindable="">ngStyle – {expression} – </code>
<p><a href="guide/expression">Expression</a> which evals to an
object whose keys are CSS style names and values are corresponding values for those CSS
keys.</p></li>
</ul>
</div>
<h2 id="Example">Example</h2>
<div class="example"><h4>Source</h4>
<div source-edit="" source-edit-deps="angular.js" source-edit-html="index.html-175" source-edit-css="style.css-176" source-edit-js="" source-edit-unit="" source-edit-scenario="scenario.js-177"></div>
<div class="tabbable"><div class="tab-pane" title="index.html">
<pre class="prettyprint linenums" ng-set-text="index.html-175" ng-html-wrap=" angular.js"></pre>
<script type="text/ng-template" id="index.html-175">
   <input type="button" value="set" ng-click="myStyle={color:'red'}">
   <input type="button" value="clear" ng-click="myStyle={}">
   <br/>
   <span ng-style="myStyle">Sample Text</span>
   <pre>myStyle={{myStyle}}</pre>
</script>
</div>
<div class="tab-pane" title="style.css">
<pre class="prettyprint linenums" ng-set-text="style.css-176"></pre>
<style type="text/css" id="style.css-176">
  span {
    color: black;
  }
</style>
</div>
<div class="tab-pane" title="End to end test">
<pre class="prettyprint linenums" ng-set-text="scenario.js-177"></pre>
<script type="text/ng-template" id="scenario.js-177">
  it('should check ng-style', function() {
    expect(element('.doc-example-live span').css('color')).toBe('rgb(0, 0, 0)');
    element('.doc-example-live :button[value=set]').click();
    expect(element('.doc-example-live span').css('color')).toBe('rgb(255, 0, 0)');
    element('.doc-example-live :button[value=clear]').click();
    expect(element('.doc-example-live span').css('color')).toBe('rgb(0, 0, 0)');
  });
</script>
</div>
</div><h4>Demo</h4>
<div class="well doc-example-live animator-container" ng-embed-app="" ng-set-html="index.html-175" ng-eval-javascript=""></div></div>
</div>
